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.Dd March 24, 2003
.Dt notifyd 8
.Os "Mac OS X"
.Sh NAME
.Nm notifyd
.Nd notification server
.Sh SYNOPSIS
.Nm
.Op Fl d
.Op Fl log_file Ar path
.Op Fl shm_pages Ar npages
.Sh DESCRIPTION
.Nm
is the server for the Mac OS X notification system described in
.Xr notify 3 .
The server is started automatically by
.Nm launchd
during system startup.
.Pp
The
.Fl d
option causes 
.Nm notifyd
to log debugging messages to a log file.
Messages are not logged to ASL to avoid potential deadlocks,
since the ASL system makes use of the
.Xr notify 3
system.
.Pp
The default log file is
.Pa /var/log/notifyd.log .
An alternate log file path may be specified following the
.Fl log_file
flag.
.Pp
The 
.Fl shm_pages Ar npages
option sets the number of shared memory pages used for passive notification.
The default is one page.
If a value of zero is specified,
shared memory is disabled and passive notifications are performed
using IPC between the client and the server.
.Sh SEE ALSO
.Xr notify 3 .
